181 lines
6.4 KiB
C++
181 lines
6.4 KiB
C++
/*************************************************************************/
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/* detour-navmesh.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef DETOUR_NAVMESH_H
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#define DETOUR_NAVMESH_H
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#include "core/resource.h"
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#include "scene/resources/mesh.h"
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#define SETGET(x, t) \
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t x; \
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void set_##x(t v) { x = v; } \
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t get_##x() { return x; }
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class dtNavMesh;
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class dtTileCache;
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struct dtTileCacheAlloc;
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struct dtNavMeshParams;
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struct dtTileCacheCompressor;
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struct dtTileCacheMeshProcess;
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struct dtTileCacheParams;
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class DetourNavigationMesh : public Resource {
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GDCLASS(DetourNavigationMesh, Resource);
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dtNavMesh *navmesh;
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#ifdef TILE_CACHE
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dtTileCache *tile_cache;
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dtTileCacheAlloc *tile_cache_alloc;
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dtTileCacheCompressor *tile_cache_compressor;
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dtTileCacheMeshProcess *mesh_process;
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#endif
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String group;
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bool initialized;
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static void _bind_methods();
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Ref<ArrayMesh> debug_mesh;
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Vector<int> tile_queue;
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Vector<Vector3> offmesh_vertices;
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Vector<float> offmesh_radii;
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Vector<unsigned short> offmesh_flags;
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Vector<unsigned char> offmesh_areas;
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Vector<unsigned char> offmesh_dir;
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#ifdef TILE_CACHE
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friend struct NavMeshProcess;
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#endif
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protected:
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void release_navmesh();
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int num_tiles_x;
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int num_tiles_z;
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void get_tile_bounding_box(int x, int z, Vector3 &bmin, Vector3 &bmax);
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public:
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#ifdef TILE_CACHE
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int max_obstacles;
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int max_layers;
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#endif
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enum partition_t {
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PARTITION_WATERSHED,
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PARTITION_MONOTONE,
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};
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void set_num_tiles(int gridW, int gridH) {
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num_tiles_x = (gridW + tile_size - 1) / tile_size;
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num_tiles_z = (gridH + tile_size - 1) / tile_size;
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}
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int get_num_tiles_x() {
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return num_tiles_x;
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}
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int get_num_tiles_z() {
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return num_tiles_z;
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}
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SETGET(partition_type, int)
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SETGET(tile_size, int)
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SETGET(cell_size, real_t)
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SETGET(cell_height, real_t)
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// real_t cell_height;
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SETGET(agent_height, real_t)
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// real_t agent_height;
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SETGET(agent_radius, real_t)
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// real_t agent_radius;
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SETGET(agent_max_climb, real_t)
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// real_t agent_max_climb;
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SETGET(agent_max_slope, real_t)
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// real_t agent_max_slope;
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SETGET(region_min_size, real_t)
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// real_t region_min_size;
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SETGET(region_merge_size, real_t)
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// real_t region_merge_size;
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SETGET(edge_max_length, real_t)
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// real_t edge_max_length;
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SETGET(edge_max_error, real_t)
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// real_t edge_max_error;
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SETGET(detail_sample_distance, real_t)
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// real_t detail_sample_distance;
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SETGET(detail_sample_max_error, real_t)
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// real_t detail_sample_max_error;
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AABB bounding_box;
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SETGET(padding, Vector3)
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// Vector3 padding;
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void set_group(const String &group);
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bool alloc();
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bool init(dtNavMeshParams *params);
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void set_data(const Dictionary &p_value);
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#ifdef TILE_CACHE
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bool alloc_tile_cache();
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bool init_tile_cache(dtTileCacheParams *param);
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#endif
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Dictionary get_data();
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Ref<ArrayMesh> get_debug_mesh();
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void clear_debug_mesh() {
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debug_mesh.unref();
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}
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const String &get_group() const {
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return group;
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}
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dtNavMesh *get_navmesh() {
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return navmesh;
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}
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#ifdef TILE_CACHE
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dtTileCache *get_tile_cache() {
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return tile_cache;
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}
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dtTileCacheCompressor *get_tile_cache_compressor() {
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return tile_cache_compressor;
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}
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#endif
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inline void add_offmesh_connection(Vector3 start, Vector3 end, real_t radius,
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unsigned short flags, unsigned char area, bool bidirectional = false) {
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offmesh_vertices.push_back(start);
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offmesh_vertices.push_back(end);
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offmesh_radii.push_back(radius);
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offmesh_flags.push_back(flags);
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offmesh_areas.push_back(area);
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offmesh_dir.push_back(bidirectional ? 1 /* DT_OFFMESH_CON_BIDIR */ : 0);
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}
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void clear_offmesh_connections() {
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offmesh_vertices.clear();
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offmesh_radii.clear();
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offmesh_flags.clear();
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offmesh_areas.clear();
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offmesh_dir.clear();
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}
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void add_meshdata(const Ref<Mesh> &p_mesh,
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const Transform &p_xform,
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Vector<float> &p_verticies,
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Vector<int> &p_indices);
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unsigned int build_tiles(const Transform &xform, const Vector<Ref<Mesh> > &geometries, const Vector<Transform> &xforms, int x1, int y1, int x2, int y2);
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inline real_t get_tile_edge_length() const {
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return ((real_t)tile_size * cell_size);
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}
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bool build_tile(const Transform &xform, const Vector<Ref<Mesh> > &geometries, const Vector<Transform> &xforms, int x, int z);
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void remove_tile(int x, int z);
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unsigned int add_obstacle(const Vector3 &pos, real_t radius, real_t height);
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void remove_obstacle(unsigned int id);
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DetourNavigationMesh();
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};
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#undef SETGET
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VARIANT_ENUM_CAST(DetourNavigationMesh::partition_t);
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#endif
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